Query with Tuple in where clause

TupleTest.java

/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later
 * See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html
 */
package org.hibernate.orm.test.query.hql;

import java.util.List;
import javax.persistence.Embeddable;
import javax.persistence.Embedded;
import javax.persistence.Entity;
import javax.persistence.Id;

import org.hibernate.testing.junit5.SessionFactoryBasedFunctionalTest;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.MatcherAssert.assertThat;

/**
 * @author Andrea Boriero
 */
public class TupleTest extends SessionFactoryBasedFunctionalTest {
	@Override
	protected Class[] getAnnotatedClasses() {
		return new Class[] {
				TestEntity.class,
		};
	}

	@Test
	public void testEqualityPredicate() {
		sessionFactoryScope().inTransaction(
				session -> {
					List results = session.createQuery(
							"select o from TestEntity o where o.embeddable = (:e1, :e2)" )
							.setParameter( "e1", 1 )
							.setParameter( "e2", 2 )
							.list();
					assertThat( results.size(), is( 1 ) );
				} );
	}

	@BeforeEach
	public void setUp() {
		sessionFactoryScope().inTransaction(
				session -> {
					TestEntity entity = new TestEntity(
							1L,
							new TestEmbeddable( 1, 2 )
					);
					session.save( entity );

					TestEntity second_entity = new TestEntity(
							2L,
							new TestEmbeddable( 1, 3 )
					);
					session.save( entity );
					session.save( second_entity );

				} );
	}

	@AfterEach
	public void tearDown() {
		sessionFactoryScope().inTransaction(
				session -> {
					session.createQuery( "from TestEntity e" )
							.list()
							.forEach( entity -> session.delete( entity ) );
				} );
	}

	@Entity(name = "TestEntity")
	public static class TestEntity {
		@Id
		private Long id;

		@Embedded
		private TestEmbeddable embeddable;

		public TestEntity() {
		}

		public TestEntity(Long id, TestEmbeddable embeddable) {
			this.id = id;
			this.embeddable = embeddable;
		}
	}

	@Embeddable
	public static class TestEmbeddable {
		private int firstField;
		private int secondField;

		public TestEmbeddable() {
		}

		public TestEmbeddable(int firstField, int secondField) {
			this.firstField = firstField;
			this.secondField = secondField;
		}
	}

}